4.1 properties of minerals

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vocabulary

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inorganic-can't rise from a living thing.
crystal-repeating patterns of minerals.
element-mineral with one atom type
compound-mineral with multiple atom types
Mohs hardness scale-Scale that rates ten minerals from 1-10
streak-color of minerals powder
luster-how mineral shines
cleavage-property that allows mineral to split easily
fracture-how mineral looks when broken in an irregular way
fluorescence-property of glowing under UV (ultra violet) light

Outline

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What is a Mineral

• naturally occuring
• inorganic
  • cannot arise from living things
• solid
  • definite volume/shape
• crystal structure
  • only visible under microscope
• definite chemical composition
  • element
  • compound

Identifying Minerals

• hardness
  • Mohs Hardness Scale
• color
• streak
  • powder
• luster
  • shine
• density
• crystal structure
• cleavage and fracture
• special properties
  • fluorescence

Diagram

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